CN207052636U - A kind of electrokinetic cell top cover of high leakproofness - Google Patents
A kind of electrokinetic cell top cover of high leakproofness Download PDFInfo
- Publication number
- CN207052636U CN207052636U CN201720648386.6U CN201720648386U CN207052636U CN 207052636 U CN207052636 U CN 207052636U CN 201720648386 U CN201720648386 U CN 201720648386U CN 207052636 U CN207052636 U CN 207052636U
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- sealing ring
- negative pole
- top cover
- positive pole
- plate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a kind of electrokinetic cell top cover of high leakproofness, including coping plate, positive terminal, negative terminal and sealing ring；Coping plate includes top surface, bottom surface and two mounting holes that bottom surface is through to by top surface, and positive terminal includes positive pole cylinder and positive pole bottom plate, and negative terminal includes negative pole cylinder and negative pole bottom plate, and the periphery of positive pole cylinder and negative pole cylinder is arranged with a sealing ring respectively；The first annular locating slot being adapted with sealing ring is respectively equipped with positive pole bottom plate and negative pole bottom plate, sealing ring is located in first annular locating slot；When corresponding to being arranged in positive pole cylinder/negative pole cylinder in mounting hole, the one side of sealing ring and the bottom surface of coping plate are inconsistent, another side and positive pole bottom plate/negative pole bottom plate are inconsistent.The utility model sets up annular positioning groove to be positioned to sealing ring on positive and negative terminals and coping plate, effectively can prevent sealing ring from being deformed in injection moulding process, improves the yields and production efficiency of top cover, while improves the air tightness performance of product.
Description
Technical field
It the utility model is related to electrokinetic cell field, more particularly to a kind of electrokinetic cell top cover of high leakproofness.
Background technology
Electrokinetic cell is the important component of new energy battery, and its great advantage is that energy is high, pollution-free；It is new energy
The developing direction of automobile and energy-accumulating power station, thus the safety performance of battery is particularly important, and the sealing of electrokinetic cell top cover is
The important leverage of cell safety.
The electrokinetic cell top cover of existing market application generally includes：The coping plate of two mounting holes is offered, is arranged in peace
The positive terminal and negative terminal in hole are filled, is set in the conductive plastic circle of the periphery of positive terminal, and be set in the periphery of negative terminal
Insulated plastic cushion rubber.Wherein, sealing is typically directly realized by sealing ring between coping plate and positive terminal and negative terminal, still
In the injection molding process of conductive plastic circle and insulated plastic cushion rubber, the easy temperature distortion of sealing ring, cause coping plate and positive pole
Air-tightness between post/negative terminal is deteriorated, and loose phenomenon occurs in transport, vibrations, charge and discharge process, causes cell sealing
Failure, so as to cause the leakage of electrolyte, makes battery short circuit or capacity attenuation, potential safety hazard is caused to battery.
Utility model content
The purpose of this utility model is the electrokinetic cell top cover for providing a kind of high leakproofness, overcomes sealing ring because being become by heat
The defects of air-tightness caused by shape is deteriorated.
To use following technical scheme up to this purpose, the utility model：
A kind of electrokinetic cell top cover of high leakproofness, including coping plate, positive terminal, negative terminal and sealing ring；The top cover
Piece includes top surface, the bottom surface relative with top surface and two mounting holes that bottom surface is through to by top surface, and the positive terminal is included just
Pole body and the positive pole bottom plate for being connected to positive pole cylinder bottom, the negative terminal include negative pole cylinder and are connected to negative pole cylinder bottom
The negative pole bottom plate in portion, the periphery of the positive pole cylinder and negative pole cylinder are arranged with a sealing ring respectively；
The first annular locating slot being adapted with sealing ring is respectively equipped with the positive pole bottom plate and negative pole bottom plate, it is described close
Seal is located in first annular locating slot；It is described close when in mounting hole corresponding to being arranged in the positive pole cylinder/negative pole cylinder
The one side of seal and the bottom surface of coping plate are inconsistent, another side and positive pole bottom plate/negative pole bottom plate are inconsistent.
Optionally, on the coping plate, in the periphery of each of which mounting hole formed with the second ring being adapted with sealing ring
Shape locating slot；When corresponding to being arranged in the positive pole cylinder/negative pole cylinder in mounting hole, the sealing ring is positioned at described the
In the located space that one annular positioning groove and the second annular positioning groove are formed.
Optionally, the central point of the first annular locating slot is located at the positive pole cylinder/negative pole cylinder corresponding to it
On central shaft.
Optionally, the central point of second annular positioning groove is located at corresponding to it on central shaft of mounting hole.
Optionally, depth and second annular positioning groove 13 of the thickness of the sealing ring not less than first annular locating slot
Depth sum.
Optionally, in addition to conductive plastic circle and insulated plastic cushion rubber, the conductive plastic circle are molded in the positive pole
The periphery of post, the insulated plastic cushion rubber are molded in the periphery of the negative terminal.
Optionally, on the coping plate, several plastic tube locating slots are respectively equipped with along the periphery of each mounting hole；
On the conductive plastic circle and insulated plastic cushion rubber, in its resistance surface with coping plate, be convexly equipped with respectively it is some with
The locating piece that the plastic tube locating slot is adapted；
In the conductive plastic snare located at the periphery of positive terminal or the insulated plastic snare located at the outer of negative terminal
Zhou Shi, in plastic tube locating slot corresponding to locating piece insertion.
Optionally, include the insulated plastic offset plate of two coping plate bottoms, be respectively sleeved at the positive pole bottom plate and
Outside the negative pole bottom plate.
Optionally, the insulated plastic offset plate is by being molded in the bottom of coping plate.
Optionally, several described plastic tube locating slots are uniformly distributed in the periphery of mounting hole.
The beneficial effects of the utility model：
The utility model embodiment sets up annular positioning groove to be positioned to sealing ring on positive and negative terminals and coping plate,
It effectively can prevent sealing ring from being deformed in injection moulding process, improve the yields and production efficiency of top cover, while improve product
Air tightness performance.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the stereogram for the electrokinetic cell top cover that the utility model embodiment provides；
Fig. 2 is the explosive view for the electrokinetic cell top cover that the utility model embodiment provides；
Fig. 3 is the sectional view for the electrokinetic cell top cover that the utility model embodiment provides；
Fig. 4 is the top surface structure view for the coping plate that the utility model embodiment provides；
Fig. 5 is the bottom surface structure view for the coping plate that the utility model embodiment provides；
Fig. 6 is the stereogram for positive terminal/negative terminal that the utility model embodiment provides；
Fig. 7 is the stereogram for conductive plastic circle/insulated plastic cushion rubber that the utility model embodiment provides；
Illustrate：Coping plate 1, positive terminal 2, negative terminal 3, conductive plastic circle 4, plastic plastic tube 5, sealing ring 6, insulation
Plastic plate 7, mounting hole 11, plastic tube locating slot 12, the second annular positioning groove 13, positive pole cylinder 21, positive pole bottom plate 22, the first ring
Shape locating slot 23, negative pole cylinder 31, negative pole bottom plate 32, first annular locating slot 33, locating piece 41, locating piece 51.
Embodiment
, below will knot to enable purpose of utility model of the present utility model, feature, advantage more obvious and understandable
The accompanying drawing in the utility model embodiment is closed, the technical scheme in the embodiment of the utility model is clearly and completely described,
Obviously, the embodiments described below are only the utility model part of the embodiment, and not all embodiment.Based on this reality
With the embodiment in new, those of ordinary skill in the art are obtained all other under the premise of creative work is not made
Embodiment, belong to the scope of the utility model protection.
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by embodiment.
Fig. 1 to Fig. 3 is referred to, Fig. 1 to Fig. 3 is that the overall structure for the electrokinetic cell top cover that the present embodiment provides regards respectively
Scheme, be quick-fried according to structure chart and sectional view, can be shown by figure, the electrokinetic cell top cover of the present embodiment includes：Coping plate 1, positive terminal 2, bear
Pole 3, conductive plastic circle 4, insulated plastic cushion rubber 5, sealing ring 6.
Wherein, coping plate 1 is laminated structure, and it includes top surface and the bottom surface relative with top surface, and two are passed through by top surface
Wear to the mounting hole 11 for being used to install pole of bottom surface.Positive terminal 2 includes positive pole cylinder 21 and is connected to the bottom of positive pole cylinder 21
Positive pole bottom plate 22, negative terminal 3 includes negative pole cylinder 31 and is connected to the negative pole bottom plate 32 of the bottom of negative pole cylinder 31；Positive terminal 2
Positive pole cylinder 21 and negative terminal 3 negative pole cylinder 31 be located in respectively corresponding in mounting hole 11, and positive pole cylinder 21 and negative
The upper end of pole body 31 is located at the subjacent of coping plate 1 beyond top surface, positive pole bottom plate 22 and the negative pole bottom plate 32 of coping plate 1.
Conductive plastic circle 4 is set in the periphery of positive pole cylinder 21, and is connected to the top surface of coping plate 1, so passes through conduction
Positive terminal 2 and coping plate 1 can be conductively connected by plastic tube 4；Insulated plastic cushion rubber 5 is set in the periphery of negative pole cylinder 31, and supports
The top surface of coping plate 1 is connected to, so can negative terminal 3 and the insulation connection of coping plate 1 by insulated plastic cushion rubber 5.
Refer to shown in Fig. 4, to ensure being stably connected between the insulated plastic cushion rubber 5 of conductive plastic circle 4/ and coping plate 1, push up
On cover plate 1, several plastic tube locating slots 12 are respectively equipped with along the excircle of each mounting hole 11, the plastic tube locating slot 12 by
The top surface of coping plate 1 is recessed to be formed downwards, can be evenly distributed, for being positioned to the insulated plastic cushion rubber 5 of conductive plastic circle 4/.
Correspondingly, as shown in fig. 7, on conductive plastic circle 4, in its resistance surface with coping plate 1, it is convexly equipped with some and plastic tube and positions
The locating piece 41 that groove 12 is adapted；On insulated plastic cushion rubber 5, in its resistance surface with coping plate 1, some and plastic tube is convexly equipped with
The locating piece 51 that locating slot 12 is adapted.When conductive plastic circle 4 is sheathed on the periphery of positive pole cylinder 21, the insertion pair of locating piece 41
In the plastic tube locating slot 12 answered；When insulated plastic cushion rubber 5 is sheathed on the periphery of negative pole cylinder 31, corresponding to the insertion of locating piece 51
In plastic tube locating slot 12, so as to realize being reliably connected for the insulated plastic cushion rubber 5 of conductive plastic circle 4/ and coping plate 1, prevent should
The insulated plastic cushion rubber 5 of conductive plastic circle 4/ moves during.
Above-mentioned conductive plastic circle 4 and insulated plastic cushion rubber 5 take shape in positive terminal 2 and negative pole respectively by way of injection molding
On post 3 so that total is integrally formed, simple to operate quick, saves production cost.
To realize sealing effectiveness, the periphery of positive pole cylinder 21 and negative pole cylinder 31 is arranged with the sealing of a loop configuration respectively
When circle 6, positive pole cylinder 21 and negative pole cylinder 31 are arranged in corresponding mounting hole 11, the one side of sealing ring 6 and the bottom of coping plate 1
Face is inconsistent, another side and the negative pole bottom plate 32 of positive pole bottom plate 22/ are inconsistent.
In order to prevent sealing ring 6 from deforming, ensure good air-tightness, as shown in fig. 6, positive pole bottom plate 22 is provided with and sealing
The first annular locating slot 23 that circle 6 is adapted, negative pole bottom plate 32 are provided with the first annular locating slot being adapted with sealing ring 6
33, and the central point of first annular locating slot 23 is located on the central shaft of positive pole cylinder 21, the center of first annular locating slot 33
Point is on the central shaft of negative pole cylinder 31.When positive terminal 2 is arranged in mounting hole 11, sealing ring 6 is fixed in the first ring
In shape locating slot 23；When negative terminal 3 is arranged in mounting hole 11, sealing ring 6 is fixed in first annular locating slot 33, from
And effectively prevent that sealing ring 6 from deforming, it ensure that good air-tightness.
In addition, further lift air-tightness, as shown in figure 5, on coping plate 1, the periphery of each mounting hole 11 formed with
The second annular positioning groove 13 being adapted with sealing ring 6, the central point of second annular positioning groove 13 are located at corresponding mounting hole 11
Central shaft on, coordinate with first annular locating slot 23 to be clamped positioning to sealing ring 6.Preferably, the thickness of sealing ring 6
Not less than the depth sum of depth and the second annular positioning groove 13 of the first annular locating slot 33 of first annular locating slot 23/, with
Reduce the gap between the negative terminal 3 of positive terminal 2/ and corresponding mounting hole 11 as much as possible, obtain optimal air-tightness.
The electrokinetic cell top cover provided in the present embodiment also includes the insulated plastic offset plate 7 of two injection moldings, positioned at top cover
The lower section of piece 1, it is respectively sleeved at outside positive pole bottom plate 22 and negative pole bottom plate 23.
To sum up, the utility model embodiment is additionally arranged detent mechanism to be positioned to sealing ring, can effectively prevent from sealing
Circle deforms in injection moulding process, ensure that good air-tightness, improves product yield.
Described above, above example is only to illustrate the technical solution of the utility model, rather than its limitations；Although ginseng
The utility model is described in detail according to previous embodiment, it will be understood by those within the art that：It is still
Technical scheme described in foregoing embodiments can be modified, or which part technical characteristic is equally replaced
Change；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model technical scheme
Spirit and scope.
Claims (10)
1. a kind of electrokinetic cell top cover of high leakproofness, including coping plate, positive terminal, negative terminal and sealing ring；The coping plate
The mounting hole of bottom surface is through to by top surface including top surface, the bottom surface relative with top surface and two, the positive terminal includes positive pole
Cylinder and the positive pole bottom plate for being connected to positive pole cylinder bottom, the negative terminal include negative pole cylinder and are connected to negative pole cylinder bottom
Negative pole bottom plate, the periphery of the positive pole cylinder and negative pole cylinder is arranged with a sealing ring respectively；Characterized in that,
The first annular locating slot being adapted with sealing ring, the sealing ring are respectively equipped with the positive pole bottom plate and negative pole bottom plate
In first annular locating slot；When in mounting hole corresponding to being arranged in the positive pole cylinder/negative pole cylinder, the sealing ring
One side and coping plate bottom surface is inconsistent, another side and positive pole bottom plate/negative pole bottom plate are inconsistent.
2. electrokinetic cell top cover according to claim 1, it is characterised in that on the coping plate, in each of which mounting hole
Periphery formed with the second annular positioning groove being adapted with sealing ring；It is arranged in correspondingly in the positive pole cylinder/negative pole cylinder
Mounting hole in when, the sealing ring is positioned at the located space that the first annular locating slot and the second annular positioning groove are formed
It is interior.
3. electrokinetic cell top cover according to claim 1, it is characterised in that the central point position of the first annular locating slot
In on the central shaft of its corresponding positive pole cylinder/negative pole cylinder.
4. electrokinetic cell top cover according to claim 2, it is characterised in that the central point position of second annular positioning groove
In on the central shaft of its corresponding mounting hole.
5. electrokinetic cell top cover according to claim 2, it is characterised in that the thickness of the sealing ring is not less than the first ring
The depth of shape locating slot and the depth sum of the second annular positioning groove.
6. electrokinetic cell top cover according to claim 1, it is characterised in that also including conductive plastic circle and insulated plastic
Circle, the conductive plastic circle are molded in the periphery of the positive terminal, and the insulated plastic cushion rubber is molded in the negative pole
The periphery of post.
7. electrokinetic cell top cover according to claim 6, it is characterised in that on the coping plate, along each mounting hole
Periphery is respectively equipped with several plastic tube locating slots；
On the conductive plastic circle and insulated plastic cushion rubber, in its resistance surface with coping plate, be convexly equipped with respectively it is some with it is described
The locating piece that plastic tube locating slot is adapted；
When the conductive plastic snare is located at the periphery of negative terminal located at the periphery of positive terminal or the insulated plastic snare,
In plastic tube locating slot corresponding to the locating piece insertion.
8. electrokinetic cell top cover according to claim 1, it is characterised in that be also located at the coping plate bottom including two
Insulated plastic offset plate, be respectively sleeved at outside the positive pole bottom plate and the negative pole bottom plate.
9. electrokinetic cell top cover according to claim 8, it is characterised in that the insulated plastic offset plate is by being molded in
The bottom of coping plate.
10. electrokinetic cell top cover according to claim 7, it is characterised in that several described plastic tube locating slots are uniform
It is distributed in the periphery of mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720648386.6U CN207052636U (en) | 2017-06-06 | 2017-06-06 | A kind of electrokinetic cell top cover of high leakproofness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720648386.6U CN207052636U (en) | 2017-06-06 | 2017-06-06 | A kind of electrokinetic cell top cover of high leakproofness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207052636U true CN207052636U (en) | 2018-02-27 |
Family
ID=61492026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720648386.6U Active CN207052636U (en) | 2017-06-06 | 2017-06-06 | A kind of electrokinetic cell top cover of high leakproofness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207052636U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110233215A (en) * | 2019-07-18 | 2019-09-13 | 东莞阿李自动化股份有限公司 | A kind of power battery top cover and power battery |
| CN110379953A (en) * | 2019-07-31 | 2019-10-25 | 江苏塔菲尔新能源科技股份有限公司 | A kind of assembling structure and its assembly method of battery cap |
-
2017
- 2017-06-06 CN CN201720648386.6U patent/CN207052636U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110233215A (en) * | 2019-07-18 | 2019-09-13 | 东莞阿李自动化股份有限公司 | A kind of power battery top cover and power battery |
| CN110379953A (en) * | 2019-07-31 | 2019-10-25 | 江苏塔菲尔新能源科技股份有限公司 | A kind of assembling structure and its assembly method of battery cap |
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